resultBuf.append(e.getMessage()).append("\n");
        } finally {
            if (timeoutTask != null && !timeoutTask.isCanceled()) {
                timeoutTask.cancel();
            }
        }

        return resultBuf.toString();

    }

    protected void executePython() {
        final List<String> cmdList = new ArrayList<>();

            logger.error("ThumbnailGenerator does not work correctly.", t);
            exitCode = Constants.EXIT_FAIL;
        } finally {
            if (systemMonitorTask != null) {
                systemMonitorTask.cancel();
            }
            destroyContainer();
        }

        System.exit(exitCode);
    }

    private static void destroyContainer() {
        TimeoutManager.getInstance().stop();

                                                            data-dismiss="modal">
                                                        <la:message key="labels.crud_button_cancel"/>
                                                    </button>
                                                    <button type="submit" class="btn btn-outline-light"

                                <button type="submit" class="btn btn-outline-secondary" name="index"
                                        value="<la:message key="labels.wizard_button_cancel"/>">
                                    <la:message key="labels.wizard_button_cancel"/>
                                </button>
                                <button type="submit" class="btn btn-primary"
                                        name="crawlingConfig"

					</p>
				</div>
				<div class="modal-footer justify-content-between">
					<button type="button" class="btn btn-outline-light"
						data-dismiss="modal">
						<la:message key="labels.crud_button_cancel" />
					</button>
					<button type="submit" class="btn btn-outline-light"
						name="delete"
						value="<la:message key="labels.crud_button_delete" />">
						<em class="fa fa-trash">

        if (commandDestroyTimeoutStr != null) {
            commandDestroyTimeout = Long.valueOf(commandDestroyTimeoutStr);
        }
    }

    @Override
    public void destroy() {
        destoryTimer.cancel();
        destoryTimer = null;
    }

    @Override
    public boolean generate(final String thumbnailId, final File outputFile) {
        if (logger.isDebugEnabled()) {